<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>1_字符串形式的ref</title>
</head>

<body>
    <div id="test"></div>
    <script type="text/javascript" src="../js/react.development.js"></script>
    <script type="text/javascript" src="../js/react-dom.development.js"></script>
    <script type="text/javascript" src="../js/babel.min.js"></script>
    <script type="text/babel">
        //1 创建类式组件
        class Person extends React.Component {
            showData = () => {
                const { input1 } = this.refs
                alert(input1.value)
            }
            showData2 = () => {
                const { input2 } = this.refs
                alert(input2.value)
            }
            render() {
                return (
                    <div>
                        <input ref='input1' type="text" placeholder='点击按钮提示数据' />
                        <button onClick={this.showData}>点击 </button>
                        <input ref='input2' onBlur={this.showData2} type="text" placeholder='失去焦点提示数据' />
                    </div>
                )
            }
        }
        //2 渲染组件到页面
        ReactDOM.render(<Person {...person} />, document.getElementById('test'))
    </script>
</body>

</html>